The DFI unit can be used to measure DRAM utilization using perf. Add the node to the device tree. Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> --- arch/arm64/boot/dts/rockchip/rk356x.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi index 5706c3e24f0a0..8d818b98a5e65 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi @@ -947,6 +947,12 @@ qos_vop_m1: qos@fe1a8100 { reg = <0x0 0xfe1a8100 0x0 0x20>; }; + dfi: dfi@fe230000 { + compatible = "rockchip,rk3568-dfi"; + reg = <0x00 0xfe230000 0x00 0x400>; + rockchip,pmu = <&pmugrf>; + }; + pcie2x1: pcie@fe260000 { compatible = "rockchip,rk3568-pcie"; reg = <0x3 0xc0000000 0x0 0x00400000>, -- 2.30.2